I thought it looked like a wood boring weevil- pest control guy say's he has never seen these before. They are in my hallway where I have laminate floor and there is a large hole in the skirting board for the water stop cock. ( Victorian house).

Nothing has worked so far- they are back again and the hot weather makes it worse. We tried something from Rentolkill that's supposed to kill all but didn't work. Sorry. I'd love to know the answer myself!

I rent my property so left it to my landlord once I'd identified it. Just went back to my research and it says that the most effective treatment is to remove all the damp wood they feed on. They will not attack sound wood.